Re: Messages as first class objects

From: Isaac Gouy (igouy_at_yahoo.com)
Date: 05/02/04 

Date: 2 May 2004 12:01:03 -0700

"Volker Bäcker" <baecker@crbm.cnrs-mop.fr> wrote in message news:<c6tons$gbfmc$1@ID-218123.news.uni-berlin.de>...
> "Calum" <calum.bulk@ntlworld.com> schrieb im Newsbeitrag
> news:c6tf7c$2g0$1@newsg1.svr.pol.co.uk...
> > I have read that "messages", "member functions" and "methods" are all
> > fairly similar concepts. For example
> >
> > io.write("Hello")
> >
> write("Hello") is a message that is sent to io. io has (hopefully) a member
> function write. This member function is a method.
> > is fairly unambiguous. But how many languages allow you to take a
> > message in isolation? e.g.
> >
> > x = write("Hello") # x is a message
> > io.x # send message x to io
> Smalltalk does. In VisualWorks Smalltalk there are classes like
> CompiledMethod and others that represent methods.

Are we talking about 'messages' or 'methods'?

Here's a Smalltalk 'message' example:
   messageSelector := #write:.
   io perform: messageSelector with: 'Hello'.

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